#15597D#15597D
#15597D is a dark, moderate cyan. Relative luminance 0.088; OKLCH L 44.1% C 0.087 H 237.5°. Best body text is #FFFFFF at 7.62:1 contrast (WCAG AA passes).
Color values
| HEX | #15597D |
|---|---|
| RGB | rgb(21, 89, 125) |
| HSL | hsl(201, 71%, 29%) |
| HSV | hsv(201, 83%, 49%) |
| CMYK | cmyk(83.2%, 28.8%, 0%, 51%) |
| CIE-LAB | lab(35.56, -7.03, -26.08) |
| CIE-LCH | lch(35.56, 27.01, 254.92°) |
| OKLab | oklab(44.11% -0.047 -0.0738) |
| OKLCH | oklch(44.11% 0.087 237.5) |
| XYZ | xyz(7.5818, 8.7839, 20.6939) |
| Luminance | 0.0878 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Deep Sea Blue
#015482
ΔE00 3.07
Ugly Blue
#31668A
ΔE00 4.96
Peacock Blue
#016795
ΔE00 5.21
Light Navy Blue
#2E5A88
ΔE00 5.35
Light Navy
#155084
ΔE00 5.65
Denim (survey)
#3B638C
ΔE00 6.42
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#15597D #7D3915
analogous
#157D6D #15597D #15257D
triadic
#15597D #7D1559 #597D15
tetradic
#15597D #6D157D #7D3915 #257D15
square
#15597D #6D157D #7D3915 #257D15
split-complementary
#15597D #7D1525 #7D6D15
monochromatic
#04131A #0C3449 #15597D #1E7EB1 #30A1DC
Accessibility & contrast
On white
7.62
#15597D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.76
#15597D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #15597D
7.62:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##15597D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##15597D | 1.00 | 7.62 | 2.76 | 7.62 |
| #FFFFFF | 7.62 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.76 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.62 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#48597F
Deuteranopia (green-blind)
#3A4F7C
Tritanopia (blue-blind)
#006265
Achromatopsia (no color)
#545454
Design tokens & code
CSS
--color: #15597d; /* rgb */ color: rgb(21, 89, 125); /* oklch */ color: oklch(44.1% 0.087 237.5);
Tailwind
colors: {
custom: {
50: '#6587a3',
500: '#15597d',
950: '#000000',
},
}SCSS
$custom: #15597d; $custom-light: #6587a3; $custom-dark: #000000;
JSON
{
"hex": "#15597d",
"rgb": {
"r": 21,
"g": 89,
"b": 125
},
"hsl": {
"h": 200.769,
"s": 71.233,
"l": 28.627
},
"oklch": {
"l": 0.44114,
"c": 0.08745,
"h": 237.5
},
"luminance": 0.08785
}Semantic roles & 50–950 ramp
primary
#15597D
secondary
#B2653C
accent
#783AEE
background
#F6F8FA
surface
#EBEFF3
border
#C6CACD
text
#070B0F
muted
#7A7C7F